please help me, it would help a lot if you could show the answers directly

A company imports goods at two ports: Philadelphia and New Orleans. Shipments of one product are made to customers in Atlanta, Dallas, Columbus, and Boston. For the next planning period, the supplies at each port, customer demands, and shipping costs per case from each port to each customer are as follows. Customers Port Port Supply Atlanta Dallas Columbus Boston Philadelphia 2 6 6 2 5,000 New Orleans 1 2 5 7 3,000 Demand 1,400 3,200 2,000 1,400 Develop a network representation of the distribution system (transportation problem). (Submit a file with a maximum size of 1 MB.) Choose File No file chosen This answer has not been graded yet